EXTRACTS AND RESINS. gj

ter from the deco&ion, and diftilling off thefpirit from the tin£ture, untill each begins tobe thickened. Laftly, mix the refinous withthe aqueous Extrakt, and make the mafs fit forforming into pills.

In the fame manner is to be prepared the

Extract of Cascarilla and ofJalap.

R E M A R K.

The Extratt of Cafcarilla, now firft introdncedinto our Difpenfatory, is a medicine of confidera-bie ufe as a tonic in dyfpepfy, debility of bow-els, and in fome circumftances of epidemic fevers.It may be given from ten to twenty grains two orthree times a day,

The Extratt of Jalap is an efficacious cathartic,given to adults from eight or ten to fifceen grains.

EXTRACTUM SENN^.

Extract of Senna.

Take of Senna one pound.

Diftilled water one gallon.H

Boil